40668276 has 24 divisors (see below), whose sum is σ = 103519584. Its totient is φ = 12323680.

The previous prime is 40668223. The next prime is 40668289. The reversal of 40668276 is 67286604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153915 + ... + 154178.

It is an arithmetic number, because the mean of its divisors is an integer number (4313316).

Almost surely, 2^40668276 is an apocalyptic number.

It is an amenable number.

40668276 is an abundant number, since it is smaller than the sum of its proper divisors (62851308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40668276 is a wasteful number, since it uses less digits than its factorization.

40668276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308111 (or 308109 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 40668276 is about 6377.1683371227. The cubic root of 40668276 is about 343.8892400764.

The spelling of 40668276 in words is "forty million, six hundred sixty-eight thousand, two hundred seventy-six".